FREE THE SCIENTISTS A revealing interview with Dr. John Mashey: how big oil and billionaires fund attacks on climate science and scientists. Then journalist Margaret Munro on Canadian government muzzling climate scientists; and an update from Francesca Griffo from the Union of Concerned Scientists on freedom of scientific expression in the United States. Recorded at AAAS 2012, courtesy of aven.com. Radio Ecoshock 120229 1 hour